package exception;

import java.io.FileOutputStream;
import java.io.IOException;

public class FinallyDemo {
    public static void main(String[] args) {

        FileOutputStream fos = null;
        try{
            fos = new FileOutputStream("fos.dat");
            fos.write(1);

        }catch (IOException e){
            System.out.println("出错了");
        }finally {
            try {
                if (fos != null){
                    fos.close();
                }
            } catch (IOException e) {
                e.printStackTrace();
            }
        }

    }
}
